[gtk+] Remove some redundant code

[Matthias Clasen <matthiasc src gnome org>]

commit 3214122fbde38c3e026f4461ea8fd2cdaa4a4402
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Sep 26 09:40:30 2014 -0400

    Remove some redundant code
    
    No need to check the same widget twice in a row for being a window.

 gtk/gtkmain.c |   12 +++---------
 1 files changed, 3 insertions(+), 9 deletions(-)
---
diff --git a/gtk/gtkmain.c b/gtk/gtkmain.c
index 1fa3cf0..d8c344f 100644
--- a/gtk/gtkmain.c
+++ b/gtk/gtkmain.c
@@ -2502,15 +2502,9 @@ propagate_event (GtkWidget *widget,
           if (widget != window && gtk_widget_has_grab (widget))
             handled_event = propagate_func (widget, event);
 
-          if (!handled_event)
-            {
-              window = gtk_widget_get_toplevel (widget);
-              if (GTK_IS_WINDOW (window))
-                {
-                  if (gtk_widget_is_sensitive (window))
-                    handled_event = propagate_func (window, event);
-                }
-            }
+          if (!handled_event &&
+              gtk_widget_is_sensitive (window))
+            handled_event = propagate_func (window, event);
 
           g_object_unref (widget);
           return handled_event;